WAIT_TIMER_CONTROL
writel(WT_EN | WT_VALUE(tmo_clk), idev->base + WAIT_TIMER_CONTROL);
wt_value = WT_VALUE(readl(idev->base + WAIT_TIMER_CONTROL));
writel(wt_value, idev->base + WAIT_TIMER_CONTROL);
writel(WT_EN | wt_value, idev->base + WAIT_TIMER_CONTROL);